Quality Park Tyvek Envelopes, First Class, 6in x 9in, White, Box Of 100
Envelope,Tyk,6x9, RdStp, FC,14
Made of water- and tear-resistant material for added protection Release strip is easily accessible, yet maintains security of contents. Flap-Stik closure requires no moisture to seal. Keeps your mail protected against bad weather, spills and rough handling.